1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index c5b1f71c3cd8..7242ffcc44e5 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -119,7 +119,7 @@
 #define HASH_SIZE  16
 #define HASH(addr) (((__force u32)addr^((__force u32)addr>>4))&0xF)
 
-static int ipip_net_id;
+static int ipip_net_id __read_mostly;
 struct ipip_net {
         struct ip_tunnel *tunnels_r_l[HASH_SIZE];
         struct ip_tunnel *tunnels_r[HASH_SIZE];